Pith Number

pith:6HQOG3YN

pith:2015:6HQOG3YNJIFNZOQKHYIJMBBP6B

not attested not anchored not stored refs pending

Optimal randomness certification in the quantum steering and prepare-and-measure scenarios

Antonio Ac\'in, Daniel Cavalcanti, Elsa Passaro, Paul Skrzypczyk

arxiv:1504.08302 v2 · 2015-04-30 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6HQOG3YNJIFNZOQKHYIJMBBP6B}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:25:18.167072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1e0e36f0d4a0adcba0a3e1096042ff056f9a69e340cfb774a1d110449907df0

Aliases

arxiv: 1504.08302 · arxiv_version: 1504.08302v2 · doi: 10.48550/arxiv.1504.08302 · pith_short_12: 6HQOG3YNJIFN · pith_short_16: 6HQOG3YNJIFNZOQK · pith_short_8: 6HQOG3YN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6HQOG3YNJIFNZOQKHYIJMBBP6B \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f1e0e36f0d4a0adcba0a3e1096042ff056f9a69e340cfb774a1d110449907df0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8439c886ec4cb0f019284aa610b35ee34731b0df419aadac9afc8a97b0a1d322",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-30T16:50:31Z",
    "title_canon_sha256": "202f9b6b181d7c0397a20f806a0e96168ec68207c9e9d651ab5b0045cf01c8c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.08302",
    "kind": "arxiv",
    "version": 2
  }
}